Possible Cause
The database user does not have owner rights for the database.
Solution
- In the Microsoft SQL Server Management Studio, log into your database server.
- Go to .
- Right-click the database associated with your DNN installation, and choose Properties.
- In the User Mapping section, set the role for the DNN database user as db_owner.
Possible Cause
The IIS bindings do not match the correct portal alias.
Possible Cause
Incorrect connectionString
entry in the web.config file.
Solution
- Go to the web.config file on the root folder of the installation.
- Revise the entries for the connection string, specifically
Server Name
, User
, and Password
.
Possible Cause
The Application Pool Identity account does not have modify rights for the DNN Installation folder.
Solution
- Using Windows Explorer, go to your site folder and right-click on the DNN installation folder.
- Choose Properties, and go to the Security tab.
- Click/Tap Edit….
- Click/Tap Add….
- Select the correct location for the user.
- Set the object name to IIS AppPool\<AppPoolName>, where <AppPoolName> is the Application Pool Identity account name.
- Click/Tap Check Names.
- Click/Tap OK, then Apply.
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